1 // SPDX-License-Identifier: GPL-2.0
16 #include "tuner-i2c.h"
40 /* Bits 0-5 for divider MSB */
43 /* Bits 0-7 for divider LSB */
50 /* Searches with ADC output = 10 */
53 /* Searches with ADC output = 10 */
56 /* Searches with ADC output = 5 */
59 /* if on, div=4*(Frf+Fif)/Fref otherwise, div=4*(Frf-Fif)/Freq) */
78 /* Japan freq (76-108 MHz. If disabled, 87.5-108 MHz */
81 /* Unselected means 32.768 KHz freq as reference. Otherwise Xtal at 13 MHz */
111 /* Bits 0-5 for divider MSB after search or preset */
114 /* Bits 0-7 for divider LSB after search or preset */
149 	switch (priv->ctrl.xtal_freq) {  in tea5767_status_dump()
151 		frq = (div * 50000 - 700000 - 225000) / 4;	/* Freq in KHz */  in tea5767_status_dump()
154 		frq = (div * 50000 + 700000 + 225000) / 4;	/* Freq in KHz */  in tea5767_status_dump()
157 		frq = (div * 32768 + 700000 + 225000) / 4;	/* Freq in KHz */  in tea5767_status_dump()
161 		frq = (div * 32768 - 700000 - 225000) / 4;	/* Freq in KHz */  in tea5767_status_dump()
177 	tuner_info("ADC Level = %d\n",  in tea5767_status_dump()
186 /* Freq should be specifyed at 62.5 Hz */
190 	struct tea5767_priv *priv = fe->tuner_priv;  in set_radio_freq()
191 	unsigned int frq = params->frequency;  in set_radio_freq()
196 	tuner_dbg("radio freq = %d.%03d MHz\n", frq/16000,(frq/16)%1000);  in set_radio_freq()
200 	if (priv->ctrl.port1)  in set_radio_freq()
203 	if (params->audmode == V4L2_TUNER_MODE_MONO) {  in set_radio_freq()
213 	if (priv->ctrl.port2)  in set_radio_freq()
216 	if (priv->ctrl.high_cut)  in set_radio_freq()
219 	if (priv->ctrl.st_noise)  in set_radio_freq()
222 	if (priv->ctrl.soft_mute)  in set_radio_freq()
225 	if (priv->ctrl.japan_band)  in set_radio_freq()
230 	if (priv->ctrl.deemph_75)  in set_radio_freq()
233 	if (priv->ctrl.pllref)  in set_radio_freq()
237 	/* Rounds freq to next decimal value - for 62.5 KHz step */  in set_radio_freq()
240 	switch (priv->ctrl.xtal_freq) {  in set_radio_freq()
249 		div = (frq * (4000 / 16) - 700000 - 225000 + 25000) / 50000;  in set_radio_freq()
254 		/* const 700=4000*175 Khz - to adjust freq to right value */  in set_radio_freq()
255 		div = ((frq * (4000 / 16) - 700000 - 225000) + 16384) >> 15;  in set_radio_freq()
269 	if (5 != (rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 5)))  in set_radio_freq()
273 		if (5 != (rc = tuner_i2c_xfer_recv(&priv->i2c_props, buffer, 5)))  in set_radio_freq()
279 	priv->frequency = frq * 125 / 2;  in set_radio_freq()
286 	struct tea5767_priv *priv = fe->tuner_priv;  in tea5767_read_status()
290 	if (5 != (rc = tuner_i2c_xfer_recv(&priv->i2c_props, buffer, 5))) {  in tea5767_read_status()
292 		return -EREMOTEIO;  in tea5767_read_status()
300 	struct tea5767_priv *priv = fe->tuner_priv;  in tea5767_signal()
311 	struct tea5767_priv *priv = fe->tuner_priv;  in tea5767_stereo()
351 	struct tea5767_priv *priv = fe->tuner_priv;  in tea5767_standby()
362 	if (5 != (rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 5)))  in tea5767_standby()
377 		return -EINVAL;  in tea5767_autodetection()
384 		return -EINVAL;  in tea5767_autodetection()
394 		return -EINVAL;  in tea5767_autodetection()
403 	kfree(fe->tuner_priv);  in tea5767_release()
404 	fe->tuner_priv = NULL;  in tea5767_release()
409 	struct tea5767_priv *priv = fe->tuner_priv;  in tea5767_get_frequency()
410 	*frequency = priv->frequency;  in tea5767_get_frequency()
417 	struct tea5767_priv *priv = fe->tuner_priv;  in tea5767_set_config()
419 	memcpy(&priv->ctrl, priv_cfg, sizeof(priv->ctrl));  in tea5767_set_config()
447 	fe->tuner_priv = priv;  in tea5767_attach()
449 	priv->i2c_props.addr  = i2c_addr;  in tea5767_attach()
450 	priv->i2c_props.adap  = i2c_adap;  in tea5767_attach()
451 	priv->i2c_props.name  = "tea5767";  in tea5767_attach()
453 	priv->ctrl.xtal_freq  = TEA5767_HIGH_LO_32768;  in tea5767_attach()
454 	priv->ctrl.port1      = 1;  in tea5767_attach()
455 	priv->ctrl.port2      = 1;  in tea5767_attach()
456 	priv->ctrl.high_cut   = 1;  in tea5767_attach()
457 	priv->ctrl.st_noise   = 1;  in tea5767_attach()
458 	priv->ctrl.japan_band = 1;  in tea5767_attach()
460 	memcpy(&fe->ops.tuner_ops, &tea5767_tuner_ops,  in tea5767_attach()